Bone won't bend in quadruped leg
Okay so I figured it out, moonboots you were right I did need to bend the top bones more in edit mode. At first I couldn't figure out how to position them so it worked but still fit the mesh. Then I found a drawing of a fox with an internal skeleton shown along with the body. This showed me I had the two top bones in the back leg positioned wrong, so I changed it to mimic the drawing and it worked. The bones finally bend when using IK. I guess this is just further evidence that nature knows exactly what it is doing with designing of living creatures. lol